15 lines
		
	
	
		
			317 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			15 lines
		
	
	
		
			317 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| 'use strict';
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| module.exports = x => {
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| 	if (typeof x !== 'string') {
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| 		throw new TypeError('Expected a string, got ' + typeof x);
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| 	}
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| 
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| 	// Catches EFBBBF (UTF-8 BOM) because the buffer-to-string
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| 	// conversion translates it to FEFF (UTF-16 BOM)
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| 	if (x.charCodeAt(0) === 0xFEFF) {
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| 		return x.slice(1);
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| 	}
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| 
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| 	return x;
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| };
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